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Critical · 9.8 Known exploited Scanner template Public exploit CVE-2020-7961 EUVD-2022-5527GHSA-w7pm-cc4v-f3g8

Deserialization of Untrusted Data in Liferay Portal

Published Mar 20, 2020 · Updated Oct 21, 2025 · Assigned by mitre

Package: com.liferay.portal:com.liferay.portal.kernel Ecosystem: Maven

Description

Deserialization of Untrusted Data in Liferay Portal prior to 7.2.1 CE GA2 allows remote attackers to execute arbitrary code via JSON web services (JSONWS).

Public exploits

Exploit or proof-of-concept code for this vulnerability is publicly available, which lowers the bar for attackers. Treat it as a reason to patch sooner.

Third-party code, not reviewed by us. Public PoCs are sometimes fake or contain malware. Read the code first and run it only in an isolated lab, against systems you are authorised to test.

Metasploit 1 module

Exploit-DB 1

GitHub 10 repositories

Sources: PoC-in-GitHub, Metasploit Framework, Exploit-DB — updated daily. Only links are listed; no exploit code is hosted here.

Automated scanner template

A ready-made Nuclei template detects this vulnerability automatically. Vulnerabilities with public scanner templates are typically probed across the internet soon after the template appears — exposed systems should be patched first.

Source: projectdiscovery/nuclei-templates (MIT) — updated daily. Only links are listed.

Affected packages

EcosystemPackageAffectedFixedRecord
Maven com.liferay.portal:com.liferay.portal.kernel < 4.35.3 4.35.3 GHSA-w7pm-cc4v-f3g8

References